/Engine/Source/Runtime/Engine/Public/ConvexVolume.h
Builds the set of planes used to clip against. Also, puts the planes into a form more readily used by SSE/Altivec so 4 planes can be clipped against at once.
FConvexVolume ( const [TArray](API\Runtime\Core\Containers\TArray)< FPlane, TInlineAllocator< 6 >> & InPlanes )